76⼀2.4+14⼀2.4-24简便方法怎么做?

2024-12-28 22:20:35
推荐回答(1个)
回答1:

76÷2.4+14÷2.4-24
=(76+14)÷2.4-24
=90÷2.4-24
=37.5-24
=13.5